Key ring



FIG. 1 is a front elevational view of a key ring showing my new design, the opposite side being identical;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a front elevational view of a second embodiment of the key ring, the opposite side being identical;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and

FIG. 8 is a side elevational view thereof. 

The ornamental design for a key ring, substantially as shown and described. 